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Seven trials were conducted on commercial farms from different Brazilian States (MG, GO, MT and SP) to evaluate the efficacy of different macrocyclic lactones (MLs) on reducing nematode egg shedding and their influence on cattle weight gain. In each study, a minimum of 25 Nelore animals per group,...

Saueressig, T. M.; Paulo, G. C.; Silva, M. A.; Silva, C. S.; Vettorato, L. F.
A Hora Veterinária, Porto Alegre, Brazil
A Hora Veterinária, 2009, 29, 171, pp 10-18